Magnetic skyrmion materials

Y Tokura, N Kanazawa - Chemical Reviews, 2020 - ACS Publications
Skyrmion, a concept originally proposed in particle physics half a century ago, can now find
the most fertile field for its applicability, that is, the magnetic skyrmion realized in …

[HTML][HTML] Transport of intensity equation: a tutorial

C Zuo, J Li, J Sun, Y Fan, J Zhang, L Lu… - Optics and Lasers in …, 2020 - Elsevier
When it comes to “phase measurement” or “quantitative phase imaging”, many people will
automatically connect them with “laser” and “interferometry”. Indeed, conventional …

Simultaneous phase and amplitude extraction from a single defocused image of a homogeneous object

D Paganin, SC Mayo, TE Gureyev… - Journal of …, 2002 - Wiley Online Library
We demonstrate simultaneous phase and amplitude extraction from a single defocused
image of a homogeneous object. Subject to the assumptions explicitly stated in the …

Transport of intensity phase retrieval and computational imaging for partially coherent fields: The phase space perspective

C Zuo, Q Chen, L Tian, L Waller, A Asundi - Optics and Lasers in …, 2015 - Elsevier
The well-known transport of intensity equation (TIE) allows the phase of a coherent field to
be retrieved non-interferometrically given positive defined intensity measurements and …

Digital holography and its multidimensional imaging applications: a review

T Tahara, X Quan, R Otani, Y Takaki, O Matoba - Microscopy, 2018 - academic.oup.com
In this review, we introduce digital holographic techniques and recent progress in
multidimensional sensing by using digital holography. Digital holography is an …

On a universal solution to the transport-of-intensity equation

J Zhang, Q Chen, J Sun, L Tian, C Zuo - Optics Letters, 2020 - opg.optica.org
The transport-of-intensity equation (TIE) is one of the most well-known approaches for phase
retrieval and quantitative phase imaging. It directly recovers the quantitative phase …

Towards control of the size and helicity of skyrmions in helimagnetic alloys by spin–orbit coupling

K Shibata, XZ Yu, T Hara, D Morikawa… - Nature …, 2013 - nature.com
Chirality—that is, left-or right-handedness—is an important concept in a broad range of
scientific areas. In condensed matter, chirality is found not only in molecular or crystal forms …

Optical imaging of cell mass and growth dynamics

G Popescu, YK Park, N Lue… - … of Physiology-Cell …, 2008 - journals.physiology.org
Using novel interferometric quantitative phase microscopy methods, we demonstrate that the
surface integral of the optical phase associated with live cells is invariant to cell water …

Symmetry, structure, and dynamics of monoaxial chiral magnets

Y Togawa, Y Kousaka, K Inoue… - Journal of the Physical …, 2016 - journals.jps.jp
Nontrivial spin orders with magnetic chirality emerge in a particular class of magnetic
materials with structural chirality, which are frequently referred to as chiral magnets. Various …

Phase retrieval from series of images obtained by defocus variation

LJ Allen, MP Oxley - Optics communications, 2001 - Elsevier
We develop and compare three different methods of phase retrieval from series of image
measurements obtained at different defocus values. The first approach is an approximate …